1062320640 has 80 divisors (see below), whose sum is σ = 3396130848. Its totient is φ = 283283456.

The previous prime is 1062320639. The next prime is 1062320659. The reversal of 1062320640 is 460232601.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1062320640² = 2257050284340019200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1062320640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61482 + ... + 76841.

Almost surely, 2^1062320640 is an apocalyptic number.

1062320640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1062320640 is an abundant number, since it is smaller than the sum of its proper divisors (2333810208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1062320640 is an equidigital number, since it uses as much as digits as its factorization.

1062320640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138349 (or 138333 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1062320640 is about 32593.2606530859. The cubic root of 1062320640 is about 1020.3563537650.

The spelling of 1062320640 in words is "one billion, sixty-two million, three hundred twenty thousand, six hundred forty".